要查看数据库的默认排序规则:

USE db_name;
SELECT @@character_set_database, @@collation_database;

要查看表格的排序:

SHOW TABLE STATUS where name like 'table_name';

要查看列的排序规则:

SHOW FULL COLUMNS FROM table_name;

查看表的默认字符集

SHOW CREATE TABLE table_name;

列:

SHOW FULL COLUMNS FROM table_name;

我总是看SHOW CREATE TABLE mydatabase。mytable。

对于数据库，似乎需要查看SELECT DEFAULT_CHARACTER_SET_NAME FROM information_schema.SCHEMATA。

表:

SHOW TABLE STATUS将列出所有的表。

使用过滤:

SHOW TABLE STATUS where name like 'table_123';

在创建新数据库时，将生成一些必要的表

在“information_schema”中此路径

“列”——>关于列

“表”——>表

例如，如果您需要查看表中的所有列名和类型

SELECT COLUMN_NAME,COLUMN_TYPE FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = 'your_schema_name' AND TABLE_NAME = 'your_table_name'

对于服务器上的所有数据库:

mysql> SELECT SCHEMA_NAME 'database', default_character_set_name 'charset', DEFAULT_COLLATION_NAME 'collation' FROM information_schema.SCHEMATA;

输出:

+----------------------------+---------+--------------------+
| database                   | charset | collation          |
+----------------------------+---------+--------------------+
| information_schema         | utf8    | utf8_general_ci    |
| my_database                | latin1  | latin1_swedish_ci  |
...
+----------------------------+---------+--------------------+

对于单个数据库:

mysql> USE my_database;
mysql> show variables like "character_set_database";

输出:

    +----------------------------+---------+
    | Variable_name              |  Value  |
    +----------------------------+---------+
    | character_set_database     |  latin1 | 
    +----------------------------+---------+

获取表的排序规则:

mysql> USE my_database;
mysql> SHOW TABLE STATUS WHERE NAME LIKE 'my_tablename';

OR -将输出创建表的完整SQL语句:

Mysql >创建表my_tablename

获取列的排序规则:

mysql> SHOW FULL COLUMNS FROM my_tablename;

输出:

+---------+--------------+--------------------+ ....
| field   | type         | collation          |
+---------+--------------+--------------------+ ....
| id      | int(10)      | (NULL)             |
| key     | varchar(255) | latin1_swedish_ci  |
| value   | varchar(255) | latin1_swedish_ci  |
+---------+--------------+--------------------+ ....